Egusi (C. lanatus) is a wild melon, similar in appearance to the watermelon. The flesh is inedible, but the seeds are a valuable food source in Africa. Other species that have the same culinary role, and that are also called egusi include Cucumeropsis mannii and Lagenaria siceraria.
2. alveolitis-inflammation of the alveoli in the lungs caused by inhaling dust; with repeated exposure the condition may become chronic. farmer's lung, thresher's lung-alveolitis caused by an allergic reaction to fungal spores in the dust that is inhaled from moldy hay.
The alveoli are located in the respiratory zone of the lungs, at the ends of the alveolar ducts and alveolar sac, representing the smallest units in the respiratory tract. They provide total surface area of about 75 m 2.